feat(helm): Allow extraObject items as multiline strings (#12397)

Co-authored-by: Michel Hollands <42814411+MichelHollands@users.noreply.github.com>

production/helm/loki/CHANGELOG.md

@@ -13,6 +13,10 @@ Entries should include a reference to the pull request that introduced the chang
 
 [//]: # (<AUTOMATED_UPDATES_LOCATOR> : do not remove this line. This locator is used by the CI pipeline to automatically create a changelog entry for each new Loki release. Add other chart versions and respective changelog entries bellow this line.)
 
+## 6.4.0
+
+- [ENHANCEMENT] Allow extraObject items as multiline strings, allowing for templating field names
+
 ## 6.3.4
 
 - [BUGFIX] Add missing OTLP endpoint to nginx config

production/helm/loki/Chart.yaml

@@ -3,7 +3,7 @@ name: loki
 description: Helm chart for Grafana Loki in simple, scalable mode
 type: application
 appVersion: 3.0.0
-version: 6.3.4
+version: 6.4.0
 home: https://grafana.github.io/helm-charts
 sources:
   - https://github.com/grafana/loki

production/helm/loki/README.md

@@ -1,6 +1,6 @@
 # loki
 
-![Version: 6.3.4](https://img.shields.io/badge/Version-6.3.4-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 3.0.0](https://img.shields.io/badge/AppVersion-3.0.0-informational?style=flat-square)
+![Version: 6.4.0](https://img.shields.io/badge/Version-6.4.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 3.0.0](https://img.shields.io/badge/AppVersion-3.0.0-informational?style=flat-square)
 
 Helm chart for Grafana Loki in simple, scalable mode
 

production/helm/loki/templates/_helpers.tpl

@@ -931,7 +931,7 @@ enableServiceLinks: false
 {{/* Determine compactor address based on target configuration */}}
 {{- define "loki.compactorAddress" -}}
 {{- $isSimpleScalable := eq (include "loki.deployment.isScalable" .) "true" -}}
-{{- $isDistributed := eq (include "loki.deployment.isDistributed" .) "true "-}}
+{{- $isDistributed := eq (include "loki.deployment.isDistributed" .) "true" -}}
 {{- $isSingleBinary := eq (include "loki.deployment.isSingleBinary" .) "true" -}}
 {{- $compactorAddress := include "loki.backendFullname" . -}}
 {{- if and $isSimpleScalable .Values.read.legacyReadTarget -}}

production/helm/loki/templates/extra-manifests.yaml

@@ -1,4 +1,8 @@
-{{ range .Values.extraObjects }}
+{{- range .Values.extraObjects -}}
 ---
+{{- if kindIs "map" . }}
 {{ tpl (toYaml .) $ }}
-{{ end }}
+{{- else }}
+{{ tpl . $ }}
+{{- end }}
+{{- end }}

production/helm/loki/values.yaml

@@ -3086,6 +3086,7 @@ minio:
   # Allow the address used by Loki to refer to Minio to be overridden
   address: null
 # Create extra manifests via values. Would be passed through `tpl` for templating
+# objects can also be provided as multiline strings, useful for templating field names
 extraObjects: []
 # - apiVersion: v1
 #   kind: ConfigMap
@@ -3105,6 +3106,17 @@ extraObjects: []
 #               category: logs
 #             annotations:
 #               message: "loki has encountered errors"
+# - |
+#     apiVersion: v1
+#     kind: Secret
+#     type: Opaque
+#     metadata:
+#       name: loki-distributed-basic-auth
+#     data:
+#       {{- range .Values.loki.tenants }}
+#       {{ .name }}: {{ b64enc .password | quote }}
+#       {{- end }}
+
 
 sidecar:
   image: